* {
    margin: auto;
    padding: auto;
}

body {
    background-color: black;
    color: white;
}

a,
button {
    cursor: pointer;
}

a {
    color: white;
    text-decoration: none
}

a:visited {
    color: white;
}

p {
    margin: 5px auto;
}

.top {
    background-color: #444444;
    height: 100px;
}

.biaoti {
    float: left;
    font-size: 50px;
    margin: 10px;
    font-weight: 600;
}

.suoyin {
    float: left;
    padding: 20px 10px;
    margin: 20px 0;
}

.suoyin:hover {
    background-color: gray;
}

.denglu {
    float: right;
}

.middle1 {
    width: 980px;
    height: 470px;
    background-color: rgb(15, 15, 15);
}

.right {
    float: right;
    width: 260px;
    background-color: rgb(30, 30, 30);
}

.biaoqian button {
    color: #67c1f5;
}

.middle2 {
    width: 980px;
    background-color: grey;
}

.middle3 {
    width: 980px;
    height: 520px;
}

.m3_left {
    float: left;
    width: 700px;
}

.m3_right {
    float: right;
    width: 260px;
    border-left: grey 2px solid;
    padding-left: 5px;
}

.m3_right img {
    width: 250px;
    margin: 10px auto;
}

#liuyankuang {
    width: 620px;
    height: 50px;
    resize: none;
}

#fabu {
    width: 55px;
    margin-right: 10px;
    height: 55px;
    float: right;
}

.liuyan {
    list-style: none;
    padding-left: 0px;
}

.liuyan li {
    width: 620px;
    background-color: rgb(82, 82, 82);
    margin-left: 0px;
    padding-left: 10px;
    border-radius: 10px;
}

.liuyan a {
    color: grey;
}

.bottom {
    height: 100px;
    width: 980px;
    background-color: black;
    border-left: 1px solid rgb(30, 30, 30);
    border-right: 1px solid rgb(30, 30, 30);
    text-align: center;
    padding-top: 10px;
}

.bottom a {
    background-color: grey;
    font-size: 30px;
    float: left;
}

.daohang {
    bottom: 100px;
    left: 1410px;
    position: fixed;
}

.daohang li {
    cursor: pointer;
    list-style-type: none;
    background-color: grey;
    padding: 10px;
}